Home / 3,383.81-4,669.58-1,891.87

Finding the Fourth Proportional to 3,383.81, 4,669.58 and 1,891.87

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Solution

The fourth proportional to 3,383.81, 4,669.58 and 1,891.87 is: 2,610.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.81 : 4,669.58 = 1,891.87 : x
  2. Step 2: Convert to fraction form
    3,383.81/4,669.58 = 1,891.87/x
  3. Step 3: Cross multiply
    3,383.81x = 4,669.58 × 1,891.87
  4. Step 4: Simplify right side
    3,383.81x = 8,834,231.37
  5. Step 5: Solve for x
    x = 8,834,231.37/3,383.81
  6. Step 6: Final answer
    x = 2,610.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.